podman

1# Podman
2 
3Run and manage containers without a daemon using Podman's rootless container engine.
4 
5## When to Use This Skill
6 
7Use this skill when:
8- Running containers without root privileges
9- Managing containers on systems without Docker
10- Creating pod-based container groups
11- Using systemd for container management
12- Working in security-conscious environments
13 
14## Prerequisites
15 
16- Podman installed (4.x+)
17- For rootless: user namespaces enabled
18- Basic container concepts understanding
19 
20## Key Differences from Docker
21 
22| Feature | Docker | Podman |
23|---------|--------|--------|
24| Architecture | Client-daemon | Daemonless |
25| Root required | Default | Optional (rootless) |
26| Pod support | No | Yes (Kubernetes-style) |
27| Systemd integration | Limited | Native |
28| Socket | docker.sock | podman.sock (optional) |
29 
30## Basic Commands
31 
32### Container Operations
33 
34```bash
35# Run container (identical to Docker)
36podman run -d --name webserver -p 8080:80 nginx
37 
38# List containers
39podman ps -a
40 
41# Stop and remove
42podman stop webserver
43podman rm webserver
44 
45# Execute command
46podman exec -it webserver /bin/sh
47 
48# View logs
49podman logs -f webserver
50```
51 
52### Image Management
53 
54```bash
55# Pull image
56podman pull docker.io/library/nginx:latest
57 
58# List images
59podman images
60 
61# Build image
62podman build -t myapp:latest .
63 
64# Push to registry
65podman push myapp:latest registry.example.com/myapp:latest
66 
67# Remove image
68podman rmi nginx:latest
69```
70 
71## Rootless Containers
72 
73### Setup
74 
75```bash
76…